[PATCH v6 02/25] drm/xe/forcewake: Add a helper xe_force_wake_ref_has_domain()

[Himal Prasad Ghimiray]

The helper xe_force_wake_ref_has_domain() checks if the input domain
has been successfully reference-counted and awakened in the reference
returned by the xe_force_wake_get() call.

Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Badal Nilawar <badal.nilawar at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
---
 drivers/gpu/drm/xe/xe_force_wake.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_force_wake.h b/drivers/gpu/drm/xe/xe_force_wake.h
index a2577672f4e3..de720881a300 100644
--- a/drivers/gpu/drm/xe/xe_force_wake.h
+++ b/drivers/gpu/drm/xe/xe_force_wake.h
@@ -46,4 +46,23 @@ xe_force_wake_assert_held(struct xe_force_wake *fw,
 	xe_gt_assert(fw->gt, fw->awake_domains & domain);
 }
 
+/**
+ * xe_force_wake_ref_has_domain - verifies if the domains are in fw_ref
+ * @fw_ref : Return of xe_force_wake_get()
+ * @domain : forcewake domains to verify
+ *
+ * xe_force_wake_ref_has_domain() confirms whether xe_force_wake_get()
+ * is success or not for @domain.
+ * In the event of a failure, if the caller chooses to abort or return,
+ * they must call xe_force_wake_put(fw, @fw_ref) if the @domain
+ * parameter is XE_FORCE_WAKE_ALL
+ *
+ * Return: true on domain is refcounted.
+ */
+static inline bool
+xe_force_wake_ref_has_domain(unsigned int fw_ref, enum xe_force_wake_domains domain)
+{
+	return (fw_ref & domain);
+}
+
 #endif
-- 
2.34.1